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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a>
<span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache license, Version 2.0<a name="line.5"></a>
<span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<span class="sourceLineNo">014</span> * See the license for the specific language governing permissions and<a name="line.14"></a>
<span class="sourceLineNo">015</span> * limitations under the license.<a name="line.15"></a>
<span class="sourceLineNo">016</span> */<a name="line.16"></a>
<span class="sourceLineNo">017</span>package org.apache.logging.log4j.core.config.json;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.io.ByteArrayInputStream;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.File;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.io.InputStream;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.Arrays;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Iterator;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.Map;<a name="line.27"></a>
<span class="sourceLineNo">028</span><a name="line.28"></a>
<span class="sourceLineNo">029</span>import com.fasterxml.jackson.core.JsonParser;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import com.fasterxml.jackson.databind.JsonNode;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import com.fasterxml.jackson.databind.ObjectMapper;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.logging.log4j.core.LoggerContext;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.logging.log4j.core.config.AbstractConfiguration;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.logging.log4j.core.config.Configuration;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.logging.log4j.core.config.ConfigurationSource;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.logging.log4j.core.config.LoggerConfig;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.logging.log4j.core.config.Node;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.logging.log4j.core.config.Reconfigurable;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.logging.log4j.core.config.plugins.util.PluginType;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.logging.log4j.core.config.plugins.util.ResolverUtil;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.logging.log4j.core.config.status.StatusConfiguration;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.logging.log4j.core.util.Patterns;<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span>/**<a name="line.44"></a>
<span class="sourceLineNo">045</span> * Creates a Node hierarchy from a JSON file.<a name="line.45"></a>
<span class="sourceLineNo">046</span> */<a name="line.46"></a>
<span class="sourceLineNo">047</span>public class JsonConfiguration extends AbstractConfiguration implements Reconfigurable {<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span> private static final String[] VERBOSE_CLASSES = new String[] { ResolverUtil.class.getName() };<a name="line.49"></a>
<span class="sourceLineNo">050</span> private final List&lt;Status&gt; status = new ArrayList&lt;&gt;();<a name="line.50"></a>
<span class="sourceLineNo">051</span> private JsonNode root;<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span> public JsonConfiguration(final LoggerContext loggerContext, final ConfigurationSource configSource) {<a name="line.53"></a>
<span class="sourceLineNo">054</span> super(loggerContext, configSource);<a name="line.54"></a>
<span class="sourceLineNo">055</span> final File configFile = configSource.getFile();<a name="line.55"></a>
<span class="sourceLineNo">056</span> byte[] buffer;<a name="line.56"></a>
<span class="sourceLineNo">057</span> try {<a name="line.57"></a>
<span class="sourceLineNo">058</span> try (final InputStream configStream = configSource.getInputStream()) {<a name="line.58"></a>
<span class="sourceLineNo">059</span> buffer = toByteArray(configStream);<a name="line.59"></a>
<span class="sourceLineNo">060</span> }<a name="line.60"></a>
<span class="sourceLineNo">061</span> final InputStream is = new ByteArrayInputStream(buffer);<a name="line.61"></a>
<span class="sourceLineNo">062</span> root = getObjectMapper().readTree(is);<a name="line.62"></a>
<span class="sourceLineNo">063</span> if (root.size() == 1) {<a name="line.63"></a>
<span class="sourceLineNo">064</span> for (final JsonNode node : root) {<a name="line.64"></a>
<span class="sourceLineNo">065</span> root = node;<a name="line.65"></a>
<span class="sourceLineNo">066</span> }<a name="line.66"></a>
<span class="sourceLineNo">067</span> }<a name="line.67"></a>
<span class="sourceLineNo">068</span> processAttributes(rootNode, root);<a name="line.68"></a>
<span class="sourceLineNo">069</span> final StatusConfiguration statusConfig = new StatusConfiguration().withVerboseClasses(VERBOSE_CLASSES)<a name="line.69"></a>
<span class="sourceLineNo">070</span> .withStatus(getDefaultStatus());<a name="line.70"></a>
<span class="sourceLineNo">071</span> int monitorIntervalSeconds = 0;<a name="line.71"></a>
<span class="sourceLineNo">072</span> for (final Map.Entry&lt;String, String&gt; entry : rootNode.getAttributes().entrySet()) {<a name="line.72"></a>
<span class="sourceLineNo">073</span> final String key = entry.getKey();<a name="line.73"></a>
<span class="sourceLineNo">074</span> final String value = getStrSubstitutor().replace(entry.getValue());<a name="line.74"></a>
<span class="sourceLineNo">075</span> // TODO: this duplicates a lot of the XmlConfiguration constructor<a name="line.75"></a>
<span class="sourceLineNo">076</span> if ("status".equalsIgnoreCase(key)) {<a name="line.76"></a>
<span class="sourceLineNo">077</span> statusConfig.withStatus(value);<a name="line.77"></a>
<span class="sourceLineNo">078</span> } else if ("dest".equalsIgnoreCase(key)) {<a name="line.78"></a>
<span class="sourceLineNo">079</span> statusConfig.withDestination(value);<a name="line.79"></a>
<span class="sourceLineNo">080</span> } else if ("shutdownHook".equalsIgnoreCase(key)) {<a name="line.80"></a>
<span class="sourceLineNo">081</span> isShutdownHookEnabled = !"disable".equalsIgnoreCase(value);<a name="line.81"></a>
<span class="sourceLineNo">082</span> } else if ("shutdownTimeout".equalsIgnoreCase(key)) {<a name="line.82"></a>
<span class="sourceLineNo">083</span> shutdownTimeoutMillis = Long.parseLong(value);<a name="line.83"></a>
<span class="sourceLineNo">084</span> } else if ("verbose".equalsIgnoreCase(entry.getKey())) {<a name="line.84"></a>
<span class="sourceLineNo">085</span> statusConfig.withVerbosity(value);<a name="line.85"></a>
<span class="sourceLineNo">086</span> } else if ("packages".equalsIgnoreCase(key)) {<a name="line.86"></a>
<span class="sourceLineNo">087</span> pluginPackages.addAll(Arrays.asList(value.split(Patterns.COMMA_SEPARATOR)));<a name="line.87"></a>
<span class="sourceLineNo">088</span> } else if ("name".equalsIgnoreCase(key)) {<a name="line.88"></a>
<span class="sourceLineNo">089</span> setName(value);<a name="line.89"></a>
<span class="sourceLineNo">090</span> } else if ("monitorInterval".equalsIgnoreCase(key)) {<a name="line.90"></a>
<span class="sourceLineNo">091</span> monitorIntervalSeconds = Integer.parseInt(value);<a name="line.91"></a>
<span class="sourceLineNo">092</span> } else if ("advertiser".equalsIgnoreCase(key)) {<a name="line.92"></a>
<span class="sourceLineNo">093</span> createAdvertiser(value, configSource, buffer, "application/json");<a name="line.93"></a>
<span class="sourceLineNo">094</span> }<a name="line.94"></a>
<span class="sourceLineNo">095</span> }<a name="line.95"></a>
<span class="sourceLineNo">096</span> initializeWatchers(this, configSource, monitorIntervalSeconds);<a name="line.96"></a>
<span class="sourceLineNo">097</span> statusConfig.initialize();<a name="line.97"></a>
<span class="sourceLineNo">098</span> if (getName() == null) {<a name="line.98"></a>
<span class="sourceLineNo">099</span> setName(configSource.getLocation());<a name="line.99"></a>
<span class="sourceLineNo">100</span> }<a name="line.100"></a>
<span class="sourceLineNo">101</span> } catch (final Exception ex) {<a name="line.101"></a>
<span class="sourceLineNo">102</span> LOGGER.error("Error parsing " + configSource.getLocation(), ex);<a name="line.102"></a>
<span class="sourceLineNo">103</span> }<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span> protected ObjectMapper getObjectMapper() {<a name="line.106"></a>
<span class="sourceLineNo">107</span> return new ObjectMapper().configure(JsonParser.Feature.ALLOW_COMMENTS, true);<a name="line.107"></a>
<span class="sourceLineNo">108</span> }<a name="line.108"></a>
<span class="sourceLineNo">109</span><a name="line.109"></a>
<span class="sourceLineNo">110</span> @Override<a name="line.110"></a>
<span class="sourceLineNo">111</span> public void setup() {<a name="line.111"></a>
<span class="sourceLineNo">112</span> final Iterator&lt;Map.Entry&lt;String, JsonNode&gt;&gt; iter = root.fields();<a name="line.112"></a>
<span class="sourceLineNo">113</span> final List&lt;Node&gt; children = rootNode.getChildren();<a name="line.113"></a>
<span class="sourceLineNo">114</span> while (iter.hasNext()) {<a name="line.114"></a>
<span class="sourceLineNo">115</span> final Map.Entry&lt;String, JsonNode&gt; entry = iter.next();<a name="line.115"></a>
<span class="sourceLineNo">116</span> final JsonNode n = entry.getValue();<a name="line.116"></a>
<span class="sourceLineNo">117</span> if (n.isObject()) {<a name="line.117"></a>
<span class="sourceLineNo">118</span> LOGGER.debug("Processing node for object {}", entry.getKey());<a name="line.118"></a>
<span class="sourceLineNo">119</span> children.add(constructNode(entry.getKey(), rootNode, n));<a name="line.119"></a>
<span class="sourceLineNo">120</span> } else if (n.isArray()) {<a name="line.120"></a>
<span class="sourceLineNo">121</span> LOGGER.error("Arrays are not supported at the root configuration.");<a name="line.121"></a>
<span class="sourceLineNo">122</span> }<a name="line.122"></a>
<span class="sourceLineNo">123</span> }<a name="line.123"></a>
<span class="sourceLineNo">124</span> LOGGER.debug("Completed parsing configuration");<a name="line.124"></a>
<span class="sourceLineNo">125</span> if (status.size() &gt; 0) {<a name="line.125"></a>
<span class="sourceLineNo">126</span> for (final Status s : status) {<a name="line.126"></a>
<span class="sourceLineNo">127</span> LOGGER.error("Error processing element {}: {}", s.name, s.errorType);<a name="line.127"></a>
<span class="sourceLineNo">128</span> }<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> @Override<a name="line.132"></a>
<span class="sourceLineNo">133</span> public Configuration reconfigure() {<a name="line.133"></a>
<span class="sourceLineNo">134</span> try {<a name="line.134"></a>
<span class="sourceLineNo">135</span> final ConfigurationSource source = getConfigurationSource().resetInputStream();<a name="line.135"></a>
<span class="sourceLineNo">136</span> if (source == null) {<a name="line.136"></a>
<span class="sourceLineNo">137</span> return null;<a name="line.137"></a>
<span class="sourceLineNo">138</span> }<a name="line.138"></a>
<span class="sourceLineNo">139</span> return new JsonConfiguration(getLoggerContext(), source);<a name="line.139"></a>
<span class="sourceLineNo">140</span> } catch (final IOException ex) {<a name="line.140"></a>
<span class="sourceLineNo">141</span> LOGGER.error("Cannot locate file {}", getConfigurationSource(), ex);<a name="line.141"></a>
<span class="sourceLineNo">142</span> }<a name="line.142"></a>
<span class="sourceLineNo">143</span> return null;<a name="line.143"></a>
<span class="sourceLineNo">144</span> }<a name="line.144"></a>
<span class="sourceLineNo">145</span><a name="line.145"></a>
<span class="sourceLineNo">146</span> private Node constructNode(final String name, final Node parent, final JsonNode jsonNode) {<a name="line.146"></a>
<span class="sourceLineNo">147</span> final PluginType&lt;?&gt; type = pluginManager.getPluginType(name);<a name="line.147"></a>
<span class="sourceLineNo">148</span> final Node node = new Node(parent, name, type);<a name="line.148"></a>
<span class="sourceLineNo">149</span> processAttributes(node, jsonNode);<a name="line.149"></a>
<span class="sourceLineNo">150</span> final Iterator&lt;Map.Entry&lt;String, JsonNode&gt;&gt; iter = jsonNode.fields();<a name="line.150"></a>
<span class="sourceLineNo">151</span> final List&lt;Node&gt; children = node.getChildren();<a name="line.151"></a>
<span class="sourceLineNo">152</span> while (iter.hasNext()) {<a name="line.152"></a>
<span class="sourceLineNo">153</span> final Map.Entry&lt;String, JsonNode&gt; entry = iter.next();<a name="line.153"></a>
<span class="sourceLineNo">154</span> final JsonNode n = entry.getValue();<a name="line.154"></a>
<span class="sourceLineNo">155</span> if (n.isArray() || n.isObject()) {<a name="line.155"></a>
<span class="sourceLineNo">156</span> if (type == null) {<a name="line.156"></a>
<span class="sourceLineNo">157</span> status.add(new Status(name, n, ErrorType.CLASS_NOT_FOUND));<a name="line.157"></a>
<span class="sourceLineNo">158</span> }<a name="line.158"></a>
<span class="sourceLineNo">159</span> if (n.isArray()) {<a name="line.159"></a>
<span class="sourceLineNo">160</span> LOGGER.debug("Processing node for array {}", entry.getKey());<a name="line.160"></a>
<span class="sourceLineNo">161</span> for (int i = 0; i &lt; n.size(); ++i) {<a name="line.161"></a>
<span class="sourceLineNo">162</span> final String pluginType = getType(n.get(i), entry.getKey());<a name="line.162"></a>
<span class="sourceLineNo">163</span> final PluginType&lt;?&gt; entryType = pluginManager.getPluginType(pluginType);<a name="line.163"></a>
<span class="sourceLineNo">164</span> final Node item = new Node(node, entry.getKey(), entryType);<a name="line.164"></a>
<span class="sourceLineNo">165</span> processAttributes(item, n.get(i));<a name="line.165"></a>
<span class="sourceLineNo">166</span> if (pluginType.equals(entry.getKey())) {<a name="line.166"></a>
<span class="sourceLineNo">167</span> LOGGER.debug("Processing {}[{}]", entry.getKey(), i);<a name="line.167"></a>
<span class="sourceLineNo">168</span> } else {<a name="line.168"></a>
<span class="sourceLineNo">169</span> LOGGER.debug("Processing {} {}[{}]", pluginType, entry.getKey(), i);<a name="line.169"></a>
<span class="sourceLineNo">170</span> }<a name="line.170"></a>
<span class="sourceLineNo">171</span> final Iterator&lt;Map.Entry&lt;String, JsonNode&gt;&gt; itemIter = n.get(i).fields();<a name="line.171"></a>
<span class="sourceLineNo">172</span> final List&lt;Node&gt; itemChildren = item.getChildren();<a name="line.172"></a>
<span class="sourceLineNo">173</span> while (itemIter.hasNext()) {<a name="line.173"></a>
<span class="sourceLineNo">174</span> final Map.Entry&lt;String, JsonNode&gt; itemEntry = itemIter.next();<a name="line.174"></a>
<span class="sourceLineNo">175</span> if (itemEntry.getValue().isObject()) {<a name="line.175"></a>
<span class="sourceLineNo">176</span> LOGGER.debug("Processing node for object {}", itemEntry.getKey());<a name="line.176"></a>
<span class="sourceLineNo">177</span> itemChildren.add(constructNode(itemEntry.getKey(), item, itemEntry.getValue()));<a name="line.177"></a>
<span class="sourceLineNo">178</span> } else if (itemEntry.getValue().isArray()) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> final JsonNode array = itemEntry.getValue();<a name="line.179"></a>
<span class="sourceLineNo">180</span> final String entryName = itemEntry.getKey();<a name="line.180"></a>
<span class="sourceLineNo">181</span> LOGGER.debug("Processing array for object {}", entryName);<a name="line.181"></a>
<span class="sourceLineNo">182</span> for (int j = 0; j &lt; array.size(); ++j) {<a name="line.182"></a>
<span class="sourceLineNo">183</span> itemChildren.add(constructNode(entryName, item, array.get(j)));<a name="line.183"></a>
<span class="sourceLineNo">184</span> }<a name="line.184"></a>
<span class="sourceLineNo">185</span> }<a name="line.185"></a>
<span class="sourceLineNo">186</span><a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span> children.add(item);<a name="line.188"></a>
<span class="sourceLineNo">189</span> }<a name="line.189"></a>
<span class="sourceLineNo">190</span> } else {<a name="line.190"></a>
<span class="sourceLineNo">191</span> LOGGER.debug("Processing node for object {}", entry.getKey());<a name="line.191"></a>
<span class="sourceLineNo">192</span> children.add(constructNode(entry.getKey(), node, n));<a name="line.192"></a>
<span class="sourceLineNo">193</span> }<a name="line.193"></a>
<span class="sourceLineNo">194</span> } else {<a name="line.194"></a>
<span class="sourceLineNo">195</span> LOGGER.debug("Node {} is of type {}", entry.getKey(), n.getNodeType());<a name="line.195"></a>
<span class="sourceLineNo">196</span> }<a name="line.196"></a>
<span class="sourceLineNo">197</span> }<a name="line.197"></a>
<span class="sourceLineNo">198</span><a name="line.198"></a>
<span class="sourceLineNo">199</span> String t;<a name="line.199"></a>
<span class="sourceLineNo">200</span> if (type == null) {<a name="line.200"></a>
<span class="sourceLineNo">201</span> t = "null";<a name="line.201"></a>
<span class="sourceLineNo">202</span> } else {<a name="line.202"></a>
<span class="sourceLineNo">203</span> t = type.getElementName() + ':' + type.getPluginClass();<a name="line.203"></a>
<span class="sourceLineNo">204</span> }<a name="line.204"></a>
<span class="sourceLineNo">205</span><a name="line.205"></a>
<span class="sourceLineNo">206</span> final String p = node.getParent() == null ? "null"<a name="line.206"></a>
<span class="sourceLineNo">207</span> : node.getParent().getName() == null ? LoggerConfig.ROOT : node.getParent().getName();<a name="line.207"></a>
<span class="sourceLineNo">208</span> LOGGER.debug("Returning {} with parent {} of type {}", node.getName(), p, t);<a name="line.208"></a>
<span class="sourceLineNo">209</span> return node;<a name="line.209"></a>
<span class="sourceLineNo">210</span> }<a name="line.210"></a>
<span class="sourceLineNo">211</span><a name="line.211"></a>
<span class="sourceLineNo">212</span> private String getType(final JsonNode node, final String name) {<a name="line.212"></a>
<span class="sourceLineNo">213</span> final Iterator&lt;Map.Entry&lt;String, JsonNode&gt;&gt; iter = node.fields();<a name="line.213"></a>
<span class="sourceLineNo">214</span> while (iter.hasNext()) {<a name="line.214"></a>
<span class="sourceLineNo">215</span> final Map.Entry&lt;String, JsonNode&gt; entry = iter.next();<a name="line.215"></a>
<span class="sourceLineNo">216</span> if (entry.getKey().equalsIgnoreCase("type")) {<a name="line.216"></a>
<span class="sourceLineNo">217</span> final JsonNode n = entry.getValue();<a name="line.217"></a>
<span class="sourceLineNo">218</span> if (n.isValueNode()) {<a name="line.218"></a>
<span class="sourceLineNo">219</span> return n.asText();<a name="line.219"></a>
<span class="sourceLineNo">220</span> }<a name="line.220"></a>
<span class="sourceLineNo">221</span> }<a name="line.221"></a>
<span class="sourceLineNo">222</span> }<a name="line.222"></a>
<span class="sourceLineNo">223</span> return name;<a name="line.223"></a>
<span class="sourceLineNo">224</span> }<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>
<span class="sourceLineNo">226</span> private void processAttributes(final Node parent, final JsonNode node) {<a name="line.226"></a>
<span class="sourceLineNo">227</span> final Map&lt;String, String&gt; attrs = parent.getAttributes();<a name="line.227"></a>
<span class="sourceLineNo">228</span> final Iterator&lt;Map.Entry&lt;String, JsonNode&gt;&gt; iter = node.fields();<a name="line.228"></a>
<span class="sourceLineNo">229</span> while (iter.hasNext()) {<a name="line.229"></a>
<span class="sourceLineNo">230</span> final Map.Entry&lt;String, JsonNode&gt; entry = iter.next();<a name="line.230"></a>
<span class="sourceLineNo">231</span> if (!entry.getKey().equalsIgnoreCase("type")) {<a name="line.231"></a>
<span class="sourceLineNo">232</span> final JsonNode n = entry.getValue();<a name="line.232"></a>
<span class="sourceLineNo">233</span> if (n.isValueNode()) {<a name="line.233"></a>
<span class="sourceLineNo">234</span> attrs.put(entry.getKey(), n.asText());<a name="line.234"></a>
<span class="sourceLineNo">235</span> }<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span> }<a name="line.237"></a>
<span class="sourceLineNo">238</span> }<a name="line.238"></a>
<span class="sourceLineNo">239</span><a name="line.239"></a>
<span class="sourceLineNo">240</span> @Override<a name="line.240"></a>
<span class="sourceLineNo">241</span> public String toString() {<a name="line.241"></a>
<span class="sourceLineNo">242</span> return getClass().getSimpleName() + "[location=" + getConfigurationSource() + "]";<a name="line.242"></a>
<span class="sourceLineNo">243</span> }<a name="line.243"></a>
<span class="sourceLineNo">244</span><a name="line.244"></a>
<span class="sourceLineNo">245</span> /**<a name="line.245"></a>
<span class="sourceLineNo">246</span> * The error that occurred.<a name="line.246"></a>
<span class="sourceLineNo">247</span> */<a name="line.247"></a>
<span class="sourceLineNo">248</span> private enum ErrorType {<a name="line.248"></a>
<span class="sourceLineNo">249</span> CLASS_NOT_FOUND<a name="line.249"></a>
<span class="sourceLineNo">250</span> }<a name="line.250"></a>
<span class="sourceLineNo">251</span><a name="line.251"></a>
<span class="sourceLineNo">252</span> /**<a name="line.252"></a>
<span class="sourceLineNo">253</span> * Status for recording errors.<a name="line.253"></a>
<span class="sourceLineNo">254</span> */<a name="line.254"></a>
<span class="sourceLineNo">255</span> private static class Status {<a name="line.255"></a>
<span class="sourceLineNo">256</span> private final JsonNode node;<a name="line.256"></a>
<span class="sourceLineNo">257</span> private final String name;<a name="line.257"></a>
<span class="sourceLineNo">258</span> private final ErrorType errorType;<a name="line.258"></a>
<span class="sourceLineNo">259</span><a name="line.259"></a>
<span class="sourceLineNo">260</span> public Status(final String name, final JsonNode node, final ErrorType errorType) {<a name="line.260"></a>
<span class="sourceLineNo">261</span> this.name = name;<a name="line.261"></a>
<span class="sourceLineNo">262</span> this.node = node;<a name="line.262"></a>
<span class="sourceLineNo">263</span> this.errorType = errorType;<a name="line.263"></a>
<span class="sourceLineNo">264</span> }<a name="line.264"></a>
<span class="sourceLineNo">265</span><a name="line.265"></a>
<span class="sourceLineNo">266</span> @Override<a name="line.266"></a>
<span class="sourceLineNo">267</span> public String toString() {<a name="line.267"></a>
<span class="sourceLineNo">268</span> return "Status [name=" + name + ", errorType=" + errorType + ", node=" + node + "]";<a name="line.268"></a>
<span class="sourceLineNo">269</span> }<a name="line.269"></a>
<span class="sourceLineNo">270</span> }<a name="line.270"></a>
<span class="sourceLineNo">271</span>}<a name="line.271"></a>
</pre>
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